Search a number
-
+
220021022 = 21361138727
BaseRepresentation
bin11010001110101…
…00000100011110
3120100000020002202
431013110010132
5422311133042
633455451502
75311101464
oct1507240436
9510006082
10220021022
11103218061
1261826b92
1336777170
1421314834
15144b1632
hexd1d411e

220021022 has 16 divisors (see below), whose sum is σ = 361247712. Its totient is φ = 99882720.

The previous prime is 220021019. The next prime is 220021031. The reversal of 220021022 is 220120022.

It is a junction number, because it is equal to n+sod(n) for n = 220020994 and 220021012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67778 + ... + 70949.

It is an arithmetic number, because the mean of its divisors is an integer number (22577982).

Almost surely, 2220021022 is an apocalyptic number.

220021022 is a deficient number, since it is larger than the sum of its proper divisors (141226690).

220021022 is a wasteful number, since it uses less digits than its factorization.

220021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138803.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 220021022 is about 14833.1056087389. The cubic root of 220021022 is about 603.7003012242.

Adding to 220021022 its reverse (220120022), we get a palindrome (440141044).

The spelling of 220021022 in words is "two hundred twenty million, twenty-one thousand, twenty-two".

Divisors: 1 2 13 26 61 122 793 1586 138727 277454 1803451 3606902 8462347 16924694 110010511 220021022